Quicksilver Resources (NYSE:KWK) is involved in the acquisition, development, exploration, production, and sale of natural gas and crude oil. KWK also gets F’s in Earnings Momentum, Cash Flow, Operating Margin Growth, and Sales Growth. The price of KWK is down 8.8% since the first of the year. This is worse than the S&P 500, which has seen a 1.6% increase over the same period. For more information, get Portfolio Grader’s complete analysis of KWK stock.

Louis Navellier’s proprietary Portfolio Grader stock ranking system assesses roughly 5,000 companies every week based on a number of fundamental and quantitative measures. Stocks are given a letter grade based on their results — with A being “strong buy,” and F being “strong sell.” Explore the tool here.